DE59300917D1 - Exhaust system for two-stroke internal combustion engines. - Google Patents

Exhaust system for two-stroke internal combustion engines.

Info

Publication number
DE59300917D1
DE59300917D1 DE59300917T DE59300917T DE59300917D1 DE 59300917 D1 DE59300917 D1 DE 59300917D1 DE 59300917 T DE59300917 T DE 59300917T DE 59300917 T DE59300917 T DE 59300917T DE 59300917 D1 DE59300917 D1 DE 59300917D1
Authority
DE
Germany
Prior art keywords
internal combustion
exhaust system
combustion engines
stroke internal
stroke
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE59300917T
Other languages
German (de)
Inventor
Guenter Troch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sachs Fahrzeug- und Motorentechnik 90441 Nue GmbH
Original Assignee
Fichtel and Sachs AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fichtel and Sachs AG filed Critical Fichtel and Sachs AG
Application granted granted Critical
Publication of DE59300917D1 publication Critical patent/DE59300917D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/04—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues in exhaust systems only, e.g. for sucking-off combustion gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/04—Catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/06—Exhaust treating devices having provisions not otherwise provided for for improving exhaust evacuation or circulation, or reducing back-pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/08—Exhaust treating devices having provisions not otherwise provided for for preventing heat loss or temperature drop, using other means than layers of heat-insulating material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/14—Dead or resonance chambers connected to gas flow tube by relatively short side-tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Characterised By The Charging Evacuation (AREA)
DE59300917T 1992-02-07 1993-02-04 Exhaust system for two-stroke internal combustion engines. Expired - Fee Related DE59300917D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4203507A DE4203507A1 (en) 1992-02-07 1992-02-07 EXHAUST SYSTEM FOR TWO-STROKE COMBUSTION ENGINES

Publications (1)

Publication Number Publication Date
DE59300917D1 true DE59300917D1 (en) 1995-12-21

Family

ID=6451152

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4203507A Withdrawn DE4203507A1 (en) 1992-02-07 1992-02-07 EXHAUST SYSTEM FOR TWO-STROKE COMBUSTION ENGINES
DE59300917T Expired - Fee Related DE59300917D1 (en) 1992-02-07 1993-02-04 Exhaust system for two-stroke internal combustion engines.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4203507A Withdrawn DE4203507A1 (en) 1992-02-07 1992-02-07 EXHAUST SYSTEM FOR TWO-STROKE COMBUSTION ENGINES

Country Status (3)

Country Link
EP (1) EP0554875B1 (en)
DE (2) DE4203507A1 (en)
ES (1) ES2079905T3 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9903403L (en) * 1999-09-22 2001-03-23 Electrolux Ab Two stroke internal combustion engine
DE10239132B4 (en) * 2002-08-27 2012-11-15 Andreas Stihl Ag & Co exhaust silencer
AT501402B1 (en) * 2004-08-19 2007-07-15 Avl List Gmbh Internal combustion engine for hand tool or vehicle has exhaust pipe partially surrounding exhaust gas treatment catalytic converter
DE112005001774A5 (en) * 2004-08-09 2008-06-26 Avl List Gmbh Internal combustion engine
ITRN20050003A1 (en) * 2005-01-27 2006-07-28 Ct Ricerche Tecnologiche Srl FLUID GAS BARRIER FOR TWO-STROKE ENGINES
JP4988326B2 (en) * 2006-12-20 2012-08-01 ヤマハ発動機株式会社 Exhaust system for 4-cycle engine for motorcycles
WO2012120037A2 (en) 2011-03-09 2012-09-13 Makita Corporation Two-stroke engine comprising a muffler
DE202011000535U1 (en) * 2011-03-09 2012-06-12 Makita Corporation Two-stroke engine with a silencer
CN102661185A (en) * 2012-05-09 2012-09-12 隆鑫通用动力股份有限公司 Low-noise muffler assembly and motorcycle employing same
US10800490B2 (en) 2017-01-25 2020-10-13 Brp-Rotax Gmbh & Co. Kg Exhaust assembly, exhaust system, and power pack for a vehicle
DE102020213854A1 (en) 2020-11-04 2022-05-05 Mario Neugärtner Resonant exhaust for a two-stroke engine and method of operating a two-stroke engine with a resonant exhaust
WO2024176039A1 (en) * 2023-02-20 2024-08-29 Piaggio & C. S.P.A. Engine with resonator on the exhaust pipe and vehicle comprising said engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2305946A (en) * 1937-09-07 1942-12-22 Gen Motors Corp Internal combustion engine
DE964005C (en) * 1942-03-29 1957-06-27 Kloeckner Humboldt Deutz Ag Internal combustion engine, in particular two-stroke internal combustion engine
US2542756A (en) * 1946-05-02 1951-02-20 Draminsky Per Two-stroke engine
GB955056A (en) * 1962-01-05 1964-04-08 Panhard & Levassor Improvements in exhaust systems for internal combustion engines
IT1173272B (en) * 1984-02-15 1987-06-18 Alfa Romeo Auto Spa RESONANCE DEVICE FOR THE EXHAUST SYSTEM OF A C.I. ENGINE
DE59001530D1 (en) * 1989-03-23 1993-07-01 Avl Verbrennungskraft Messtech EXHAUST SYSTEM FOR TWO-STROKE COMBUSTION ENGINES.
ATA133189A (en) * 1989-06-01 1994-09-15 Laimboeck Franz EXHAUST SYSTEM FOR TWO-STROKE COMBUSTION ENGINES

Also Published As

Publication number Publication date
DE4203507A1 (en) 1993-08-12
ES2079905T3 (en) 1996-01-16
EP0554875A1 (en) 1993-08-11
EP0554875B1 (en) 1995-11-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MANNESMANN SACHS AG, 97422 SCHWEINFURT, DE

8327 Change in the person/name/address of the patent owner

Owner name: SACHS FAHRZEUG- UND MOTORENTECHNIK GMBH, 90441 NUE

8339 Ceased/non-payment of the annual fee